GB0130652D0 - Improvements in or relating to low light level imaging devices - Google Patents

Improvements in or relating to low light level imaging devices

Info

Publication number
GB0130652D0
GB0130652D0 GBGB0130652.1A GB0130652A GB0130652D0 GB 0130652 D0 GB0130652 D0 GB 0130652D0 GB 0130652 A GB0130652 A GB 0130652A GB 0130652 D0 GB0130652 D0 GB 0130652D0
Authority
GB
United Kingdom
Prior art keywords
relating
imaging devices
light level
low light
level imaging
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
GBGB0130652.1A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BAE Systems PLC
Original Assignee
BAE Systems PLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BAE Systems PLC filed Critical BAE Systems PLC
Priority to GBGB0130652.1A priority Critical patent/GB0130652D0/en
Publication of GB0130652D0 publication Critical patent/GB0130652D0/en
Priority to AU2002352384A priority patent/AU2002352384A1/en
Priority to EP02788104A priority patent/EP1457041A1/en
Priority to US10/499,693 priority patent/US20050012825A1/en
Priority to PCT/GB2002/005662 priority patent/WO2003056811A1/en
Priority to ZA200404851A priority patent/ZA200404851B/en
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/40—Image enhancement or restoration using histogram techniques
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/90—Dynamic range modification of images or parts thereof
    • G06T5/94—Dynamic range modification of images or parts thereof based on local image properties, e.g. for local contrast enhancement
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/20—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from infrared radiation only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70—Circuitry for compensating brightness variation in the scene
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70—Circuitry for compensating brightness variation in the scene
    • H04N23/76—Circuitry for compensating brightness variation in the scene by influencing the image signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/20—Circuitry for controlling amplitude response
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10016—Video; Image sequence
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/30—Transforming light or analogous information into electric information
    • H04N5/33—Transforming infrared radiation

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Image Input (AREA)
  • Picture Signal Circuits (AREA)
  • Studio Devices (AREA)
GBGB0130652.1A 2001-12-21 2001-12-21 Improvements in or relating to low light level imaging devices Ceased GB0130652D0 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GBGB0130652.1A GB0130652D0 (en) 2001-12-21 2001-12-21 Improvements in or relating to low light level imaging devices
AU2002352384A AU2002352384A1 (en) 2001-12-21 2002-12-13 Improvements related to low light level imaging devices
EP02788104A EP1457041A1 (en) 2001-12-21 2002-12-13 Improvements related to low light level imaging devices
US10/499,693 US20050012825A1 (en) 2001-12-21 2002-12-13 Low light level imaging devices
PCT/GB2002/005662 WO2003056811A1 (en) 2001-12-21 2002-12-13 Improvements related to low light level imaging devices
ZA200404851A ZA200404851B (en) 2001-12-21 2004-06-18 Improvements related to low light level imaging devices.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0130652.1A GB0130652D0 (en) 2001-12-21 2001-12-21 Improvements in or relating to low light level imaging devices

Publications (1)

Publication Number Publication Date
GB0130652D0 true GB0130652D0 (en) 2002-02-06

Family

ID=9928166

Family Applications (1)

Application Number Title Priority Date Filing Date
GBGB0130652.1A Ceased GB0130652D0 (en) 2001-12-21 2001-12-21 Improvements in or relating to low light level imaging devices

Country Status (6)

Country Link
US (1) US20050012825A1 (en)
EP (1) EP1457041A1 (en)
AU (1) AU2002352384A1 (en)
GB (1) GB0130652D0 (en)
WO (1) WO2003056811A1 (en)
ZA (1) ZA200404851B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7742082B1 (en) * 2004-05-17 2010-06-22 Vy Corporation System and method for increasing the sensitivity of an optical detector
US7948536B2 (en) * 2008-05-29 2011-05-24 Sri International Gain matching for electron multiplication imager
EP3023059A1 (en) * 2014-11-18 2016-05-25 Samsung Medison Co., Ltd. Ultrasound imaging apparatus and method of controlling the same

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4187519A (en) * 1978-08-17 1980-02-05 Rockwell International Corporation System for expanding the video contrast of an image
US4868651A (en) * 1988-05-17 1989-09-19 S&S Inficon, Inc. Digital radiography with image brightness and contrast normalization
EP0445450A1 (en) * 1990-03-07 1991-09-11 International Business Machines Corporation Image processor mepping source pixel intensities to a limited range of display intensity values
DE69319960T2 (en) * 1992-05-22 1998-12-10 Thomson Consumer Electronics, Inc., Indianapolis, Ind. Nonlinear video signal processor using pixel analysis
JPH06327628A (en) * 1993-05-20 1994-11-29 Fuji Photo Optical Co Ltd Signal processing circuit of synchronous electronic endoscope equipment
FR2725576B1 (en) * 1994-10-11 1999-08-20 Peugeot METHOD FOR IMPROVING THE NIGHT VISION OF THE DRIVER OF A MOTOR VEHICLE AND DEVICE FOR CARRYING OUT SUCH A METHOD
JPH08223485A (en) * 1995-02-17 1996-08-30 Fujitsu Ltd Infrared video equipment
US5710602A (en) * 1995-09-29 1998-01-20 Intel Corporation Gain correction for encoding video images
JP3213529B2 (en) * 1995-11-30 2001-10-02 三洋電機株式会社 Imaging device
US5880777A (en) * 1996-04-15 1999-03-09 Massachusetts Institute Of Technology Low-light-level imaging and image processing
US5614948A (en) * 1996-04-26 1997-03-25 Intel Corporation Camera having an adaptive gain control
JP3019010B2 (en) * 1996-11-13 2000-03-13 日本電気株式会社 Imaging device
US6137533A (en) * 1997-05-14 2000-10-24 Cirrus Logic, Inc. System and method for enhancing dynamic range in images
KR100243301B1 (en) * 1997-11-24 2000-02-01 윤종용 Apparatus and method for expanding dynamic range
US6628334B1 (en) * 1998-06-23 2003-09-30 Intel Corporation Method and apparatus for improving image signals
KR100297714B1 (en) * 1998-09-01 2001-08-07 윤종용 Wide dynamic range imaging apparatus and image signal processing method thereof
DE19960888A1 (en) * 1999-12-17 2001-06-21 Robot Foto Electr Kg Image acquisition system for generating a dark and light image
US8009206B2 (en) * 2001-01-11 2011-08-30 Melexis Tessenderlo Nv Adaptive sensitivity control, on a pixel-by-pixel basis, for a digital imager
US7133069B2 (en) * 2001-03-16 2006-11-07 Vision Robotics, Inc. System and method to increase effective dynamic range of image sensors
US7102682B2 (en) * 2001-04-25 2006-09-05 Hewlett-Packard Development Company, L.P. Exposure control in a digital camera
JP4360777B2 (en) * 2002-05-31 2009-11-11 Ｈｏｙａ株式会社 Automatic adjustment device for amplification of electronic endoscope
US20040109091A1 (en) * 2002-12-03 2004-06-10 Samsung Electronics Co., Ltd. Apparatus and method for adaptive brightness control
US7002408B2 (en) * 2003-10-15 2006-02-21 Varian Medical Systems Technologies, Inc. Data signal amplifier and processor with multiple signal gains for increased dynamic signal range

Also Published As

Publication number Publication date
EP1457041A1 (en) 2004-09-15
ZA200404851B (en) 2005-06-20
US20050012825A1 (en) 2005-01-20
WO2003056811A1 (en) 2003-07-10
AU2002352384A1 (en) 2003-07-15

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)